| River Grove to Montana | 5,157.02 mi (8,299.42 km) |
| River Grove to Nova Zagora | 5,301.85 mi (8,532.50 km) |
| River Grove to Novi Iskar | 5,190.85 mi (8,353.87 km) |
| River Grove to Novi Pazar | 5,300.98 mi (8,531.10 km) |
| River Grove to Omurtag | 5,285.99 mi (8,506.98 km) |
| River Grove to Panagyurishte | 5,235.61 mi (8,425.90 km) |
| River Grove to Parvomay | 5,292.51 mi (8,517.47 km) |
| River Grove to Pavlikeni | 5,240.24 mi (8,433.35 km) |
| River Grove to Pazardzhik | 5,255.64 mi (8,458.13 km) |
| River Grove to Pernik | 5,188.90 mi (8,350.73 km) |
| River Grove to Peshtera | 5,262.54 mi (8,469.24 km) |
| River Grove to Petrich | 5,253.28 mi (8,454.34 km) |
| River Grove to Pleven | 5,207.23 mi (8,380.22 km) |
| River Grove to Plovdiv | 5,273.19 mi (8,486.38 km) |
| River Grove to Pomorie | 5,354.60 mi (8,617.39 km) |
